Rearrange the following quadratic expressions by completing the square. (a) x 2 + x 12 (b)
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Rearrange the following quadratic expressions by completing the square.
(a) x2 + x – 12
(b) 3 – 2x + x2
(c) (x – 1)2 – (2x – 3)2
(d) 1 + 4x – x2
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